Display screen with a graphical user interface



FIG. 1 is a front view of a first embodiment of a display screen with agraphical user interface showing the new design; and,

FIG. 2 is a front view of a second embodiment thereof.

The outermost broken line depicts a display screen and forms no part ofthe claimed design. The remaining broken lines depict portions of thegraphical user interface that form no part of the claimed design. Noneof the broken lines form part of the claimed design.

CLAIM The ornamental design for a display screen with a graphical user interface, as shown and described. 